On no account ________ to feed the animals in the zoo．

A．are visitors allowed

B．visitors are allowed

C．do visitors allow

D．visitors allow

I am quite ________ the plan that we go out and enjoy ourselves on Sunday．

A．in honor of

B．in favor of

C．in danger of

D．in charge of

The journey to Tibet took the young man seven months, ________ the walking time was 180 days．

A．of which

B．during which

C．from which

D．for which

In the good care of the nurses, the boy's health is ________ improving from his heart operation．

A．entirely

B．gradually

C．gratefully

D．frequently

Mr．Sweater had carefully prepared this speech and he ________ it very effectively．

A．has delivered

B．was delivering

C．delivered

D．had delivered

Today you don't need to pay for the meal．It's my ________．

A．food

B．gift

C．money

D．treat

________ that you should not tell other people the password of your email account．

A．What is suggested

B．What suggests

C．It is suggested

D．As is suggested

________ he was the last man I wanted to see, I did all in my power to help him．

A．As

B．Now that

C．While

D．As though

The situation has become extremely tense about the South China Sea．A war could ________ any time between China and the Philippines．

A．break away

B．break out

C．break up

D．break down

Mary's mother was about to leave the house ________ she received Mary's telephone．

A．after

B．as

C．when

D．before